{"id":37659,"date":"2024-11-26T08:36:22","date_gmt":"2024-11-26T00:36:22","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37659\/"},"modified":"2024-11-26T08:36:22","modified_gmt":"2024-11-26T00:36:22","slug":"java-%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e4%bf%ae%e6%94%b9%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37659\/","title":{"rendered":"java \u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u4fee\u6539\u503c"},"content":{"rendered":"<blockquote><p>\n  \u4fee\u6539 java \u5bf9\u8c61\u6570\u7ec4\u503c\u7684\u65b9\u6cd5\u6709\uff1a\u76f4\u63a5\u8d4b\u503c\u3001\u4f7f\u7528 get\/set \u65b9\u6cd5\u3001\u4f7f\u7528 arrays.fill()\u3001\u4f7f\u7528 system.arraycopy() \u548c\u4f7f\u7528\u8fed\u4ee3\u5668\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111308304828891.jpg\" class=\"aligncenter\" title=\"java \u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u4fee\u6539\u503c\u63d2\u56fe\" alt=\"java \u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u4fee\u6539\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4fee\u6539 Java \u5bf9\u8c61\u6570\u7ec4\u4e2d\u7684\u503c<\/strong><\/p>\n<p><strong>\u76f4\u63a5\u8d4b\u503c<\/strong><\/p>\n<p>\u4fee\u6539\u5bf9\u8c61\u6570\u7ec4\u4e2d\u5143\u7d20\u503c\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u8d4b\u503c\uff1a<\/p>\n<pre>Object[] array = new Object[10];\narray[0] = new String(\"Java\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u901a\u8fc7 get\/set \u65b9\u6cd5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u67d0\u4e9b\u5bf9\u8c61\u6570\u7ec4\u53ef\u80fd\u63d0\u4f9b\u4e86 get\/set \u65b9\u6cd5\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u5143\u7d20\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>List&lt;String&gt; list = new ArrayList&lt;&gt;();\nlist.set(0, \"Python\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Arrays.fill()<\/strong><\/p>\n<p>Arrays.fill() \u65b9\u6cd5\u53ef\u7528\u4e8e\u5c06\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u66ff\u6362\u4e3a\u6307\u5b9a\u503c\uff1a<\/p>\n<pre>int[] array = new int[10];\nArrays.fill(array, 10); \/\/ \u5c06\u6570\u7ec4\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a 10<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 System.arraycopy()<\/strong><\/p>\n<p>System.arraycopy() \u65b9\u6cd5\u53ef\u7528\u4e8e\u5c06\u4e00\u4e2a\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\uff0c\u66ff\u6362\u539f\u6709\u5185\u5bb9\uff1a<\/p>\n<pre>Object[] array1 = new Object[10];\nObject[] array2 = new Object[10];\nSystem.arraycopy(array1, 0, array2, 0, array1.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u8fed\u4ee3\u5668<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u8fed\u4ee3\u5668\u6765\u904d\u5386\u5bf9\u8c61\u6570\u7ec4\u5e76\u4fee\u6539\u5143\u7d20\u503c\uff1a<\/p>\n<pre>List&lt;Integer&gt; list = new ArrayList&lt;&gt;();\nIterator&lt;Integer&gt; iterator = list.iterator();\nwhile (iterator.hasNext()) {\n    int value = iterator.next();\n    if (value % 2 == 0) {\n        iterator.remove(); \/\/ \u5220\u9664\u5076\u6570\u5143\u7d20\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava \u5bf9\u8c61\u6570\u7ec4\u600e\u4e48\u4fee\u6539\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u6539 java \u5bf9\u8c61\u6570\u7ec4\u503c\u7684\u65b9\u6cd5\u6709\uff1a\u76f4\u63a5\u8d4b\u503c\u3001\u4f7f\u7528 get\/set \u65b9\u6cd5\u3001\u4f7f\u7528 arrays.fill()\u3001\u4f7f\u7528 system.arraycopy() \u548c\u4f7f\u7528\u8fed\u4ee3\u5668\u3002 \u4fee\u6539 Java \u5bf9\u8c61\u6570\u7ec4\u4e2d\u7684\u503c \u76f4\u63a5\u8d4b\u503c \u4fee\u6539\u5bf9\u8c61\u6570\u7ec4\u4e2d\u5143\u7d20\u503c\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u8d4b\u503c\uff1a Object[] array = new Object[10]; array[0] = new String(&#8220;Java&#8221;); \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7 get\/set \u65b9\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u67d0\u4e9b\u5bf9\u8c61\u6570\u7ec4\u53ef\u80fd\u63d0\u4f9b\u4e86 get\/set \u65b9\u6cd5\u6765\u8bbf\u95ee\u548c\u4fee\u6539\u5143\u7d20\u503c\uff0c\u4f8b\u5982\uff1a List&lt;String&gt; list = new ArrayList&lt;&gt;(); list.set(0, &#8220;Python&#8221;); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.fill() Arrays.fill() \u65b9\u6cd5\u53ef\u7528\u4e8e\u5c06\u6570\u7ec4\u4e2d\u6240\u6709\u5143\u7d20\u66ff\u6362\u4e3a\u6307\u5b9a\u503c\uff1a int[] array = new int[10]; Arrays.fill(array, 10); \/\/ \u5c06\u6570\u7ec4\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a 10 \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 System.arraycopy() [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-37659","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=37659"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37659\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}